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...recognize flakka and the symptoms it can cause. One challenge is that flakka manufacturers make subtle changes to its chemicalmakeup, foiling efforts to test for the drug, and it is frequently mixed with other substances, such as crack cocaine...

...deficiency of iron in the plant. There is plenty of iron in our native soil; it's just not readily available due to the chemicalmakeup of the soil. Organic matter and the conditions it creates can allow the available iron to be taken up by plants without...

...deeper Barnett shale, Poole said.In addition, he said, isotopic analysis cannot be used in this case because the chemicalmakeup of the gases in the two formations is indistinguishable. A Range Resources spokesman also dismissed Thyne and Jackson...

...leaves can now be seen. The color of the leaves may be yellow, brown, red or some combination depending on the chemicalmakeup of the pigments in the leaves.For ideal, brilliant colors lasting a long time, the best weather is dry, cool...

...main thing to understand is cleaning a firearm isn't difficult. You don't have to know ballistics specs or the chemicalmakeup of the products you're using to properly clean a gun. There are a couple of things to remember. The first is to...

...operating on its surface. Odyssey, which started its $297 million journey on April 7, will map the mineral and chemicalmakeup of the surface of Mars and hunt for large deposits of water when its science work begins later this month.

...main thing to understand is cleaning a firearm isn't difficult. You don't have to know ballistics specs or the chemicalmakeup of the products you're using to properly clean a gun. There are a couple of things to remember. The first is to...

...with our genes - what we're going to look like and the way we're going to be, to a certain extent. We have our chemicalmakeup and we have our conditioning, which is our parents." "Every decision we make is based on that, whether we know...

...happens, made a controversial move: It tweaked the chemicalmakeup of Claritin enough to secure a patent for Clarinex...There are some minor differences in the two drugs' chemicalmakeups. Clarinex, for example, is an isolated version...

...injecting hundreds of millions of tiny carbon clusters deep into natural underground reservoirs, where changes to their chemicalmakeup would signal whether they've come across oil, water or other substances. The clusters, referred to as "nanoreporters...